LT3502AEDC#TRPBF

Product Overview

Category

The LT3502AEDC#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to efficiently regulate and control power supply voltages.

Characteristics

• High efficiency: The LT3502AEDC#TRPBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Compact package: The IC comes in a small form factor package, enabling space-saving designs.
• Low quiescent current: It has low power consumption when in standby or idle mode.

Package and Quantity

The LT3502AEDC#TRPBF is available in a 12-pin DFN (Dual Flat No-Lead) package. It is typically sold in reels containing a specific quantity, such as 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 40V
• Output Voltage Range: 1.24V to 38V
• Maximum Output Current: 2A
• Switching Frequency: Adjustable up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3502AEDC#TRPBF features the following pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference
4. FB: Feedback pin for output voltage regulation
5. SS: Soft-start capacitor connection
6. RT: External resistor connected to set switching frequency
7. VCC: Supply voltage for internal circuitry
8. PGND: Power ground connection
9. LX: Inductor connection
10. EN: Enable pin for turning the IC on/off
11. VOUT: Output voltage pin
12. COMP: Compensation pin for stability control

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage enables flexibility in meeting specific system requirements.
• Integrated switching regulator provides efficient power conversion.
• Soft-start function prevents excessive inrush current during startup.
• Enable pin allows easy control of the IC's operation.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Compact package facilitates space-constrained designs.
• Wide input voltage range enhances versatility.
• Adjustable output voltage accommodates different load requirements.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• External components, such as inductors and capacitors, are required for proper operation.

Working Principles

The LT3502AEDC#TRPBF operates as a step-down switching regulator. It utilizes a pulse-width modulation (PWM) technique to efficiently convert the input voltage to the desired output voltage. The internal control circuitry adjusts the duty cycle of the switching transistor to regulate the output voltage within the specified range.

Detailed Application Field Plans

The LT3502AEDC#TRPBF finds applications in various fields, including but not limited to: 1. Portable electronic devices: Used to regulate power supply voltages in smartphones, tablets, and portable media players. 2. Industrial automation: Employed in control systems, motor drives, and sensors. 3. Automotive electronics: Utilized in automotive infotainment systems, lighting controls, and power management modules. 4. Telecommunications: Integrated into networking equipment, routers, and base stations. 5. Renewable energy systems: Applied in solar power converters and wind turbine controllers.

Alternative Models

For similar power management applications, alternative models to the LT3502AEDC#TRPBF include: - LT3501AEDC#TRPBF - LT3503AEDC#TRPBF - LT3504AEDC#TRPBF

These alternatives offer comparable features and specifications, providing flexibility in component selection for specific design requirements.

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